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okay, I figured out why my 1g nano was making the whining sound. I forgot to connect the ground for the jack :P my bad.. the whining sound is now gone.
anyways, this is a bit off-topic, but just want to show you guys the mini-cmoy i made to go with the nano
more nicely !!!
Originally Posted by joneeboi
If you want to have the diyMod nano 1G with a dock-connecting signal, then desolder the caps. If you want a diyMod nano 1G with a pigtail, you can keep the caps.
oh, i c...but what the diff between dock & pigtail ? which are better ? pro & cons ?
Sound wise they are identical (yes, not exactly identical but pragmatically identical). The only way one could be better than the other depends on convenience and what gear you have.
__________________
"Ears that hear and eyes that see - the LORD has made them both." Proverbs 20:12
Team University-fi | Team Edmonton-and-Surrounding-Urbanities(1)(2)
Typically the bigger the value, the better in terms of sound. A bigger value will reduce bass roll-off, but it also results in a bigger packaging. The Black Gates you mentioned will work perfectly. I actually picked up the 22uF ones, as I wanted them small as possible. The most important part, however, is the input impedance of your amp. Since you're inevitably going to be using your diyMod nano 1G with an amp, it will be helpful to know what its input impedance is. Ray Samuels amps usually have 50K input impedance, which is really great at reducing that lower corner frequency. Assuming you're using Grados at 32ohm impedance,
f = 1/(2*pi*(50,000+32)*47uf)
f = 1/(2*pi*50,032**0.000047)
f = 0.0677Hz
With 22uF caps instead,
f = 0.145Hz
There isn't too much to worry about in terms of bass rolloff, I think.
iQEM,
IMO I think the dock is a better option since you don't have to really drill anything on the iPod. If you're running to class and don't want to use the amp'ed diyMod, you canjust disconnect the dock and use the nano with the headphone out as if it wasn't even modded. You can disconnect the amp from the pigtail but you'll still have the pigtail to worry about. That's my 2 cents.
Last edited by CAvanessia; 12-16-2007 at 09:32 PM.
I just put in an order for some Vitamin Qs to act as DC blocking caps on the diyMod 5G. Once I get started during the Christmas break, I'll let you guys know how it went.
__________________
"Ears that hear and eyes that see - the LORD has made them both." Proverbs 20:12
Team University-fi | Team Edmonton-and-Surrounding-Urbanities(1)(2)
I just put in an order for some Vitamin Qs to act as DC blocking caps on the diyMod 5G. Once I get started during the Christmas break, I'll let you guys know how it went.
Sweet joneeboi, that sounds sick! For sure let us know...!
I've mentioned these in separate threads, but my diyMod 4G's hard drive died plus my partsconneXion order came in today. On the sadder note, it was fun while it lasted. My friend is slated to give me another 4G click wheel, which should be an exciting piece with which to replace the original legend. I may purchase an iPod video sometime, as I've finally decided that it's the best player for me, bringing me to my next point. I got the Black Gates in today, so I will definitely try to get that out of the way on the diyMod 5G I have on hand before I go to bed tonight. It'll be tough to do it that quickly, but I'll give it a good pre-burn-in listening beforehand to help BG- and diyMod-newbies with understanding the effect of the BGs' burn-in on the sound. Stay tuned!
__________________
"Ears that hear and eyes that see - the LORD has made them both." Proverbs 20:12
Team University-fi | Team Edmonton-and-Surrounding-Urbanities(1)(2)
Yes. I used some Kynar 30 awg silver plated and Cardas quad eutectic silver solder. Still waiting for the caps and ipod connectors. I hope I'll get everything before the holidays.
